package br.ufc.filter;

import java.io.IOException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

@WebFilter("/*")
public class filter implements Filter {
	
	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
		HttpSession session = ((HttpServletRequest)request).getSession(false);
		String path = ((HttpServletRequest) request).getRequestURI();

		if (path.contains("login")) {
			chain.doFilter(request, response);
		} else if (session != null && session.getAttribute("nome") != null) {
			chain.doFilter(request, response);
		} else {
			((HttpServletResponse)response).sendRedirect("index.jsp");
		}
		
	}

	
	@Override
	public void destroy() {
	}

	@Override
	public void init(FilterConfig arg0) throws ServletException {
	}

}

